Three years ( ) a long time to be cut off from contact with your friends.
Three years ( ) a long time to be cut off from contact with your friends.
A、are
B、were
C、is
D、be
【正确答案】:C
【题目解析】:three years理解为整体名词,三年切断和朋友的联系是段挺长的时间。
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